Home / 403,853,579.39-605,843,002.53-170,685,273.05

Finding the Fourth Proportional to 403,853,579.39, 605,843,002.53 and 170,685,273.05

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Solution

The fourth proportional to 403,853,579.39, 605,843,002.53 and 170,685,273.05 is: 256,054,381.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,853,579.39 : 605,843,002.53 = 170,685,273.05 : x
  2. Step 2: Convert to fraction form
    403,853,579.39/605,843,002.53 = 170,685,273.05/x
  3. Step 3: Cross multiply
    403,853,579.39x = 605,843,002.53 × 170,685,273.05
  4. Step 4: Simplify right side
    403,853,579.39x = 103,408,478,313,779,504
  5. Step 5: Solve for x
    x = 103,408,478,313,779,504/403,853,579.39
  6. Step 6: Final answer
    x = 256,054,381.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.